Pith Number

pith:B4ZD4XXL

pith:2018:B4ZD4XXLW4EUZTVMDLSEVDIATI

not attested not anchored not stored refs pending

Search for a Radio Pulsar in the Remnant of Supernova 1987A

C. J. Russell, G. Hobbs, G. Zanardo, L. Staveley-Smith, R. N. Manchester, S.-B. Zhang, S. Dai, X.-F. Wu

arxiv:1806.04062 v1 · 2018-06-11 · astro-ph.HE · astro-ph.SR · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4ZD4XXLW4EUZTVMDLSEVDIATI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:12:16.558041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f323e5eebb7094cceac1ae44a8d009a0572d936db46dd77515c39f8009e4078

Aliases

arxiv: 1806.04062 · arxiv_version: 1806.04062v1 · doi: 10.48550/arxiv.1806.04062 · pith_short_12: B4ZD4XXLW4EU · pith_short_16: B4ZD4XXLW4EUZTVM · pith_short_8: B4ZD4XXL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/B4ZD4XXLW4EUZTVMDLSEVDIATI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0f323e5eebb7094cceac1ae44a8d009a0572d936db46dd77515c39f8009e4078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85727e2a21df2638c665b96f6e2f73ba1f33b9248f185e09f3faff47f98c05fa",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-06-11T15:42:42Z",
    "title_canon_sha256": "3ef081eff5d11cb576013945cdec216a4a9bf95bde30b34428f783e0ddf4a759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04062",
    "kind": "arxiv",
    "version": 1
  }
}